The Dahua LM25-B221B is a 24.5-inch Full HD commercial monitor featuring IPS panel technology, a 144 Hz refresh rate and an MPRT 1 ms response time. Its 1920 × 1080 resolution, 300 cd/m² typical brightness and wide 178° viewing angles provide a clear and consistent viewing experience. The display offers an 85% NTSC typical color gamut and a screen-to-body ratio of at least 90%. DisplayPort 1.4 and HDMI 2.0 inputs both support Full HD output at 144 Hz, while tilt adjustment and a 100 × 100 mm VESA mounting pattern provide flexible installation options. Key Features 24.5-inch Full HD display: IPS panel with a native resolution of 1920 × 1080 and a 16:9 aspe ratio. 144 Hz refresh rate: Provides smooth on-screen motion through both DisplayPort and HDMI connections. MPRT 1 ms response time: Helps reduce visible motion blur and ghosting in fast-moving content. Wide color coverage: Supports 16.7 million colors and an 85% NTSC typical color gamut. Wide viewing angles: IPS technology provides 178° horizontal and vertical viewing angles. Low blue light technology: Supports a more comfortable viewing experience during extended use. Technical Specifications Component Specification Dahua Model DHI-LM25-B221B Produ Type Commercial Monitor Screen Size 24.5 inches LCD Technology IPS Backlight ELED Resolution 1920 × 1080, Full HD Aspe Ratio 16:9 Screen-to-Body Ratio ≥90% Refresh Rate 144 Hz Response Time MPRT 1 ms Brightness 300 cd/m² typical Contrast Ratio 1,500:1 Display Colors 16.7 million Color Gamut 85% NTSC typical Viewing Angle 178° horizontal / 178° vertical Surface Treatment Haze 25%, 3H Video Inputs 1 × DisplayPort 1.4, 1 × HDMI 2.0 Audio Output 1 × Audio out port Tilt Adjustment -5° ± 2° to 20° ± 2° VESA Mount 100 × 100 mm Color Black Power Supply 12 VDC, 2.5 A external power adapter Power Consumption 18 W basic, 19 W typical, 23.8 W maximum Standby Consumption <0.5 W Produ Dimensions 557.7 × 330.6 × 58.1 mm, without wall-mount bracket Net Weight 2.9 kg Operating Temperature 0°C to 40°C Operating Humidity 10%–85% RH, non-condensing Certifications CE EMC, CE LVD, CE ERP Compatibility & Important Information The monitor provides one DisplayPort 1.4 input and one HDMI 2.0 input. Both video inputs are specified to support 1920 × 1080 resolution at 144 Hz. An audio output port is available for connecting a compatible external audio device. The monitor supports a 100 × 100 mm VESA mounting pattern. The wall mount is listed as an optional accessory. Power is supplied through the included external 12 VDC, 2.5 A power adapter. Package Contents Dahua DHI-LM25-B221B Monitor Power Adapter Base HDMI Cable User's Manual via QR Code Legal and Regulatory Information Monitors Specifications Screen Size 24.5" Refresh Rate 144 Hz Flat / Curved Flat Panel Type Full HD Panel Technology IPS Contrast Ratio Static 1500:1 Resolution 1920 x 1080 Response Time 1 ms Built In Speakers Display Port Yes HDMI Yes Brightness 300 cd/m2 Display Colors 16.7 M Please to review Q: What is the screen size and resolution of the Dahua LM25-B221B? A: It has a 24.5-inch IPS display with a native Full HD resolution of 1920 × 1080. Q: What refresh rate does the monitor support? A: The monitor supports a refresh rate of up to 144 Hz through its DisplayPort 1.4 and HDMI 2.0 inputs. Q: What is the response time? A: The official response-time specification is MPRT 1 ms. Q: Which video connections are available? A: The monitor includes one DisplayPort 1.4 input and one HDMI 2.0 input. Q: Does the monitor have an audio connection? A: Yes. It provides one audio output port for a compatible external audio device. Q: Can the Dahua LM25-B221B be wall mounted? A: Yes. It supports a 100 × 100 mm VESA mounting pattern. The wall mount is an optional accessory. Q: What color coverage does the display provide? A: The display provides an 85% NTSC typical color gamut and supports 16.7 million colors. Q: What accessories are included? A: The official accessory list includes a power adapter, base, HDMI cable, user's manual via QR code, and legal and regulatory information.
